Although a science fiction story, it is not too hard to imagine with our advances in technology.
The planet Earth is experiencing extreme climate change and is on the brink of extinction, experienced astronauts enter the cosmos searching for a new home for humans to live on at the end of the galaxy, family members left on Earth are at a loss not knowing if the space craft will ever return or if they were abandoned, distant planets are explored, and time is not what it seems.
Must see on IMAX!!!
http://www.rogerebert.com/reviews/interstellar-2014
One World Cinema
http://1worldcinema.com